Interview Questions

Ajay U. - "// C++ program to print the count of // subsets with sum equal to the given value X #include using namespace std; // Recursive function to return the count // of subsets with sum equal to the given value int subsetSum(int arr[], int n, int i, int sum, int count) { // The recursion is stopped at N-th level // where all the subsets of the given array // have been checked if (i == n) { // Incrementing the count if sum is // equal to 0 and returning the count if (sum == 0)"See full answer

Nicholas S. - "First thing the interviewee did wrong is not asking clarifying questions. This is the most vague problem I have every heard, and the interviewee just made assumptions and started programming."See full answer

Satej M. - "Problem Statement: 10% of Netflix users are inactive. How would you investigate? Clarifying Question: Define inactive users? Assuming these are the users who have not logged Netflix for last week/last month etc Time span to measure inactive users? Assuming inactive users are inactive from last week. Investigation Questions: Has there been a change or error logged on the analytical tool we are measuring "Inactive users" metric? Does the metric show Netflix inactive"See full answer

Sahil A. - "Clarifying questions: Open metrics - Number of times users open the google document on a given day 10% decline - is it a gradual decline or steep decline? (since when) Do we witness decline from a specific geography? Decline for consumers or enterprise customers? Decline from web or mobile app? Review logs or bug reports to check if there are customer issues reports Internal Determine if a particular release is causing the issue Review other metrics to check if fewer do"See full answer

Amit A. - "What are you strengths -: My strengths would include my eagerness to learn. This allows me to be open to new projects, roles and products and I can give my 100% to achieve the goals expected of me Other strengths would include my collaborative approach to work. I believe a team can achieve tremendous success if shares a common goal, respects other's opinions and contribution and is built on fundamental of trust Finally my biggest strength would be my commitment and passion to solve the custome"See full answer

Adam L. - "Discussed: Requirements of the system: latency language modality (assume keyboard typing) availability of data (assume cold start) success metric (accuracy of next word predicted?, or minimize false positives? -> accuracy to start) Data collection and processing: design ethical user experiments to collect typed out data design a simple tokenization strategy (word level encoding, character level encoding, byte-pair encodings, and discuss tradeoffs) collect data, and split"See full answer

Yespm T. - "First I will talk about this restaurant space in general. Types of restaurants, trends, think about how we can offer something that is differentiated to a viable buyer. Vision / mission of this product User segments - pick one Define user goals, user journey, needs/pain points Think about solutions to their pain points (10 min) Then I’d pick one or two of the solutions and define the features in more detail, as it ties to user journey. I’ll define tradeoffs **1.Restaurant sp"See full answer

Rasheek N. - "Clarify: I have some clarifying questions I would like to get answered Is this a podcast app that uses Netflix actors/actresses/producers/etc? Is this available to everyone or just Netflix subscribers? How is this product presented? Is it apart of the Netflix app or its own separate app? Goals: First thing first is to understand Netflix. Netflix is a streaming platform that differentiates itself by being the first platform that creates its own original content. It is facing massi"See full answer

Takashi M. - "First of all, I’d like to identify what is Google’s business model and Google’s presence in the emerging market. I can categorize 3 main buckets. Consumer, developer, enterprise business. Google mainly offers a free Android OS platform and several services; such as Gmail, Google Map, Youtube, and Search engine for consumers business. The consumer can use those free services in exchange for providing data. That is the main hook for the ads revenues. For the developer’s segment, Google provides"See full answer

Sandy L. - "Clarify Functionality: Watch is a tab in FB app where people can upload and view Videos. What's the redesign? We collapsed the reaction and comment bar so people can see more videos and spend more time watching videos. What's the objective of the redesign? To help people discover and watch more videos they'll enjoy._ Structure To decide whether or not to ship this redesign, i'd like to go over. How does the Watch Tab fit into FB's mission and what's its goal? What's the long-"See full answer

Chetan R. - "Is this in-memory key value store or Disk based as store they are trying to make? Can someone help me with this"See full answer

Pramod V. - "Referring to https://www.forbes.com/sites/forbesbusinesscouncil/2022/03/23/15-strategies-for-balancing-competing-stakeholder-priorities/?sh=7c82aa68262f Understand the conflicting priorities and align it with the goal/ objectives and the company mission. Start with the Least Common Denominator between the conflicting priorities to come to a commonality and start from there to objectively approach the next imp priority Always keep communication on and be transparent with 'equality' an"See full answer

Sankar S. - "We will not always have all the required data to make a decision quickly. We need to work with ambiguity effectively by tying up the available facts with intuition."See full answer

Krishnan S. - "Excellent job Roshan, really liked the explanation. Which software were you using to explain the system design diagrams?"See full answer

Bjorn L. - "Whatever your situation is, the correct answer is: "I'm very happy with my current job (expand on your experience, ability to deliver, team, achievements etc). But when I saw this opportunity, I had find out more." You essentially want to sounds interested, but clarify that your current situation is great."See full answer

Bg - "Clarifying question: Am I the first one to notice the fire, or there are people already on it? Extent and source of fire - I am assuming it's localized and I am inside the data center, safe so far. Response: It is an emergency. I will do and coordinate the people to do the following in parallel, if I am the first one to know. Get immediate attention of folks in the data center. Get someone and many people to call 911 and security. Coordinate to have people in need evacuated. Turn off th"See full answer

corrie881 - "The question is about Netflix users decreasing 10%, not about delivery app."See full answer

Kay T. - "How I would approach this question: Understand the goal of the customer service platform: What is the main business goal of this company and how is the customer service platform serving the company goals? For this question, I'm assuming the user journey is that customers come to the customer service platform when they run into issues. Thus, ultimately the customer service platform is feeding into the top line business metric of customer retention. Do customers keep"See full answer

Avon T. - "Initialize left pointer: Set a left pointer left to 0. Iterate through the array: Iterate through the array from left to right. If the current element is not 0, swap it with the element at the left pointer and increment left. Time complexity: O(n). The loop iterates through the entire array once, making it linear time. Space complexity: O(1). The algorithm operates in-place, modifying the input array directly without using additional data structures. "See full answer

So X. - "Why is the value of an Android user only considering incremental clicks on ads instead of all clicks on ads?"See full answer